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Reality_Patrol
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Does anyone have a link or reference to a table on the effective mass of electrons in the common metals?
thanks
thanks
Reality_Patrol said:Does anyone have a link or reference to a table on the effective mass of electrons in the common metals?
thanks
Reality_Patrol said:Zz,
Thanks for the info. I've got the reference on order. I would like to have some idea of the variation in values given by the different methods of measurement as well. I'm not sure which would be the best value to use given the experiments I'm contemplating. The value will determine many parameters so if the variation is large, the experiment will have to be redone many times.
On a related note, any suggestions on how to go about determining what the contact potential between 2 metals should be?
Thanks again, RP
Effective mass in metals refers to the measure of the mass of a free electron within a metal that is subject to external forces. It is a concept used to describe the behavior of electrons in a metal, and it is different from the actual mass of an electron in vacuum.
Effective mass plays a crucial role in understanding the electrical and thermal properties of metals. It helps explain the behavior of electrons in metals and their response to external stimuli, such as an electric field or temperature changes. This understanding is essential in designing and developing new materials for various applications.
The effective mass of an electron in a metal can be calculated using the band structure of the material. It is determined by taking the second derivative of the energy with respect to the electron's wave vector in the material's band structure.
The effective mass in metals can be influenced by various factors, such as the crystal structure, temperature, and the presence of impurities or defects. Changes in these factors can alter the electron's behavior, leading to variations in the effective mass.
The effective mass is directly related to the conductivity of metals. A lower effective mass means that the electrons can move more freely within the material, resulting in higher conductivity. On the other hand, a higher effective mass hinders electron mobility, leading to lower conductivity.